GLASS -J-

Oil · District 08 · Lease #31041

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

43k BBL

Cum Gas

144k MCF

casinghead

Wells

2

Production

1993-01 — 2018-12

Peak Month

1993-05

Production History

Cum Oil: 43,048 BBL Cum Gas: 143,878 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

188 BBL/mo

Di (annual)

2.9%

b-factor

0.0

EUR

59,994 BBL

R-squared

0.536

type

exponential

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,4751986-10-14
2D42-317-31170PARKER & PARSLEY PETROLEUM CO.------